/**
* 通过urls多线程下载图片
* @param array $urls
* @return array
*/
private function MultiDownByUrls($urls)
{
$opts = array(CURLOPT_RETURNTRANSFER => 1, CURLOPT_AUTOREFERER => 1, CURLOPT_HEADER => 0, CURLOPT_FOLLOWLOCATION => 1, CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.154 Safari/537.36');
$mutil = new MultiHttpRequest($urls, $opts);
$mutil->start();
return $mutil->getRes();
}
